<!--
 * @Description: 列表组件，用于首页、全部商品页面的商品列表
 * @Author: feichong124
 * @Date: 2023-02-07 16:23:00
 * @LastEditors: feichong124
 * @LastEditTime: 2023-04-05 13:22:22
 -->
<template>
  <div id="myList" class="myList">
    <ul>
      <li v-for="item in list" :key="item.product_id" @mouseenter="mouseHover(item.product_id)"
        @mouseleave="mouseLeave(item.product_id)">
        <el-popover placement="top" v-if="item.product_id &&  isDelete " >
          <div>确定删除吗？</div>
          <div style="text-align: right; margin: 10px 0 0">
            <el-button type="primary" size="small" @click="deleteCollect(item.product_id)">确定</el-button>
          </div>
          <template #reference>
            <el-icon size="20px"  class="delete" v-show="hoverLi == item.product_id" style="vertical-align: middle;cursor: pointer;"   >
              <Close />
            </el-icon>
          </template>
        </el-popover>
        <router-link :to="{ path: '/goods/details', query: { productID: item.product_id } }">
          <img :src="targetUrl + item.product_picture" alt />
          <h2>{{ item.product_name }}</h2>
          <h3>{{ item.product_title }}</h3>
          <div>
            <span>{{ item.product_selling_price }}元</span>
            <span v-show="item.product_price != item.product_selling_price" class="del">{{ item.product_price }}元</span>
          </div>
        </router-link>
      </li>
      <li v-show="isMore && list.length >= 1" id="more">
        <router-link :to="{ path: '/goods', query: { categoryID: categoryID } }">
          浏览更多
          <i class="el-icon-d-arrow-right"></i>
        </router-link>
      </li>
    </ul>
  </div>
</template>
<script>
import { mapActions, mapState } from 'pinia'
import { useCounterStore } from '~/stores/user'
export default {
  name: "MyList",
  // list为父组件传过来的商品列表
  // isMore为是否显示“浏览更多”
  props: ["list", "isMore", "isDelete"],
  data() {
    return {
      targetUrl: '',
      hoverLi: null
    };
  },
  computed: {
    ...mapState(useCounterStore, ['getUser',]),
    // 通过list获取当前显示的商品的分类ID，用于“浏览更多”链接的参数
    categoryID: function () {
      let categoryID = [];
      if (this.list != "") {
        for (let i = 0; i < this.list.length; i++) {
          const id = this.list[i].category_id;
          if (!categoryID.includes(id)) {
            categoryID.push(id);
          }
        }
      }
      return categoryID;
    }
  },
  methods: {
    mouseHover(liId) {
      this.hoverLi = liId
    },
    mouseLeave() {
      this.hoverLi = null
    },
    deleteCollect(product_id) {
      useFetch(() => `/api/user/collect/deleteCollect`,
        {
          method: 'post',
          body: {
            user_id: this.getUser.user_id,
            product_id: product_id
          }
        }
      ).then(res => {
        switch (res.data.value.code) {
          case "001":
            // 删除成功
            // 删除删除列表中的该商品信息
            for (let i = 0; i < this.list.length; i++) {
              const temp = this.list[i];
              if (temp.product_id == product_id) {
                this.list.splice(i, 1);
              }
            }
            // 提示删除成功信息
            this.ElNotificationSuccess(res.data.value.msg);
            break
          default:
            // 提示删除失败信息
            this.ElNotificationError(res.data.value.msg);
        }
      })
        .catch(err => {
          return Promise.reject(err);
        });
    }
  },
  setup() {
    let nuxtApp = useNuxtApp();
    return {
      ElNotificationError: nuxtApp.$ElNotificationError,
      ElNotificationSuccess: nuxtApp.$ElNotificationSuccess,
      targetUrl: useRuntimeConfig().public.$target ,
    }
  },
  mounted() {
  }
};
</script>
<style scoped>
.myList ul li {
  z-index: 1;
  float: left;
  width: 234px;
  height: 280px;
  padding: 10px 0;
  margin: 0 0 14.5px 13.7px;
  background-color: white;
  -webkit-transition: all 0.2s linear;
  transition: all 0.2s linear;
  position: relative;
}

.myList ul li:hover {
  z-index: 2;
  -webkit-box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
  -webkit-transform: translate3d(0, -2px, 0);
  transform: translate3d(0, -2px, 0);
}

.myList ul li img {
  display: block;
  width: 160px;
  height: 160px;
  background: url(~/assets/imgs/placeholder.png) no-repeat 50%;
  margin: 0 auto;
}

.myList ul li h2 {
  margin: 25px 10px 0;
  font-size: 14px;
  font-weight: 400;
  color: #333;
  text-align: center;
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
}

.myList ul li h3 {
  margin: 5px 10px;
  height: 18px;
  font-size: 12px;
  font-weight: 400;
  color: #b0b0b0;
  text-align: center;
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
}

.myList ul li div {
  margin: 10px 10px 10px;
  text-align: center;
  color: #ff6700;
}

.myList ul li div .del {
  margin-left: 0.5em;
  color: #b0b0b0;
  text-decoration: line-through;
}

.myList #more {
  text-align: center;
  line-height: 280px;
}

.myList #more a {
  font-size: 18px;
  color: #333;
}

.myList #more a:hover {
  color: #ff6700;
}

.myList ul li .delete {
  position: absolute;
  top: 10px;
  right: 10px;
  display: none;
}

.myList ul li:hover .delete {
  display: block;
}

.myList ul li .delete:hover {
  color: #ff6700;
}
</style>